$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/atk.git /var/lib/mock/dist-an7-updates-build-46986-21929/root/chroot_tmpdir/scmroot/atk
Cloning into '/var/lib/mock/dist-an7-updates-build-46986-21929/root/chroot_tmpdir/scmroot/atk'...
$ git reset --hard origin/a
fatal: ambiguous argument 'origin/a': unknown revision or path not in the working tree.
Use '--' to separate paths from revisions, like this:
'git <command> [<revision>...] -- [<file>...]'